<template>
	<view class="u-wrap">
		<view class="u-menu-wrap">
			<scroll-view scroll-y scroll-with-animation class="u-tab-view" :scroll-top="scrollTop"
			 :scroll-into-view="itemId">
				<view v-for="(item,index) in labelList" :key="index" class="u-tab-item" :class="[current == index ? 'u-tab-item-active' : '']"
				 @click.stop="swichMenu(index, item)">
					<text class="u-line-1">{{item}}</text>
				</view>
			</scroll-view>
			<scroll-view scroll-y scroll-with-animation class="page-view" :scroll-top="scrollTop"
			 :scroll-into-view="itemId">
				<view v-for="(item,index) in labelChildList" :key="index" class="u-tab-child-item" :class="[currentChild == index ? 'u-tab-item-active' : '']"
				 @click.stop="swichChildMenu(index, item)">
					<text class="u-line-1">{{item}}</text>
				</view>
			</scroll-view>
		</view>
	</view>
</template>
<script setup>	
import {ref, computed, onMounted} from 'vue'
import { useTagLibraryStore } from '@/store'

const current = ref(0)
const currentChild = ref(0)
const tagLibraryStore = useTagLibraryStore()
onMounted(async () => {
	await tagLibraryStore.articleList()
	await tagLibraryStore.articleAllList()
	swichMenu(current.value, Object.keys(tagLibraryStore?.contentTagList?.articleAllList)[current.value])
})
const labelList = computed(() => {
	return Object.keys(tagLibraryStore?.contentTagList?.articleAllList)
})

const labelChildList = ref(null)

const swichMenu = (index, tagName) => {
	current.value = index;
	labelChildList.value = tagLibraryStore?.contentTagList?.articleAllList[tagName].map((label) => {
		return label.tagLibraryBO.tagName
	})
	swichChildMenu(currentChild.value)
}

const swichChildMenu = (index) => {
	currentChild.value = index;
}
</script>

<style lang="scss" scoped>
	.u-wrap {
		height: calc(100vh);
		/* #ifdef H5 */
		height: calc(100vh - var(--window-top));
		/* #endif */
		display: flex;
		flex-direction: column;
	}

	.u-menu-wrap {
		flex: 1;
		display: flex;
		overflow: hidden;
	}

	.u-tab-view {
		width: 200rpx;
		height: 100%;
	}

	.u-tab-item {
		height: 110rpx;
		background: #f6f6f6;
		box-sizing: border-box;
		display: flex;
		align-items: center;
		justify-content: center;
		font-size: 26rpx;
		color: #444;
		font-weight: 400;
		line-height: 1;
	}
	.u-tab-child-item {
		height: 110rpx;
		background: #f6f6f6;
		box-sizing: border-box;
		display: flex;
		align-items: center;
		justify-content: center;
		font-size: 26rpx;
		color: #444;
		font-weight: 400;
		line-height: 1;
	}
	.u-tab-item-active {
		position: relative;
		color: #FE5C71;
		font-size: 30rpx;
		font-weight: 600;
		background: #fff;
	}

	.u-tab-item-active::before {
		content: "";
		position: absolute;
		border-left: 4px solid $u-primary;
		height: 32rpx;
		left: 0;
		top: 39rpx;
	}
	
	.u-class-item-active {
		position: relative;
		color: #000;
		font-size: 30rpx;
		font-weight: 600;
		background: #fff;
	}
	
	.u-class-item-active::before {
		content: "";
		position: absolute;
		border-left: 4px solid $u-primary;
		height: 32rpx;
		left: 0;
		top: 39rpx;
	}

	.u-tab-view {
		height: 100%;
		background: #f6f6f6;
		border-right: 2px solid #b2b2b2;
	}

	.page-view {
		height: 100%;
		padding: 16rpx;
		background: #f8f8f8;
	}
	
	.item-title {
		font-size: 26rpx;
		color: $u-main-color;
		font-weight: bold;
	}
</style>